﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using Autofac;
using Autofac.Integration.Mvc;
using StashyLib;
using System.Reflection;

namespace StashyWeb
{
    // Note: For instructions on enabling IIS6 or IIS7 classic mode, 
    // visit http://go.microsoft.com/?LinkId=9394801

    public class MvcApplication : System.Web.HttpApplication
    {
        public static void RegisterGlobalFilters(GlobalFilterCollection filters)
        {
            filters.Add(new HandleErrorAttribute());
        }

        public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                "Default", // Route name
                "{controller}/{action}/{id}", // URL with parameters
                new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults
            );

        }

        protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();
            var builder = new ContainerBuilder();
            ModelBinders.Binders[typeof(Nuid)] = new NuidModelBinder();

            builder.RegisterControllers(typeof(MvcApplication).Assembly);
            /*builder.RegisterModelBinders(Assembly.GetExecutingAssembly());
            builder.RegisterModelBinderProvider();*/

            builder.RegisterType<GuidyFileStashy>().As<IStashy<Guid>>().SingleInstance();
            builder.RegisterType<NuidyFileStashy>().As<IStashy<Nuid>>().SingleInstance();
            builder.RegisterType<FileStashy>().As<IStashy<int>>().SingleInstance();
            builder.RegisterType<CachyFileStashy>().As<IStashy<int>>().SingleInstance();
            
            DependencyResolver.SetResolver(new AutofacDependencyResolver(builder.Build()));

            RegisterGlobalFilters(GlobalFilters.Filters);
            RegisterRoutes(RouteTable.Routes);

        }

 
    }

    public class NuidModelBinder : IModelBinder
{

        public object BindModel(ControllerContext controllerContext,
         ModelBindingContext bindingContext)
        {
            ValueProviderResult valueResult = bindingContext.ValueProvider
                .GetValue(bindingContext.ModelName);

            ModelState modelState = new ModelState { Value = valueResult };
            object actualValue = null;
            try
            {
                if (valueResult != null && valueResult.AttemptedValue != null)
                {
                    actualValue = new Nuid(valueResult.AttemptedValue);
                }
            }
            catch (FormatException e)
            {
                modelState.Errors.Add(e);
            }

            bindingContext.ModelState.Add(bindingContext.ModelName, modelState);
            return actualValue;
        }
}
}